Pile fabrics



(No Model.)

' sheets-sheet 1.

fr. HARRISON. LOOM FOR WBAVING PILE FABRICS.

Patented Nov. 11,1890.

THE norms PETERS co., vnorouwu., wAswmmoN, u. c.

ln l '|NVENT0R:

(N0 Model.) A 6 sheets-sheen T. HARRISON.

LOOM FOR WBAVING PILE FABRICS.

Patented NQTV. 1I, 1890.`

INVENTOR :v

Nif/o0 indd Il WITNESSES:

(No Model.) e sheets-sheet 3.

T. HARRISON. LOOM POR WEAVING PILE FABRICS.

No. 440,592. 'Patented' Nov. 11, 189,0.

WITNESSES:

' Wma@ fue nanms Finns c (No Model.) 6 Sheets-Sheet 4.

T. HARRISON. LOOM POP. WEAVING PILE FABRICS.

No. 440,592. Patented Nov. 1l, 1890.

IH nuunnwfi www III* ini HTML ' (N'o Modell.)

- T. HARRISON.

LOOM PQRWBAVING PILE FABRICS. No. 440,592. Patented INOV.4 l1, 1890.

WITNESSES:

QW. PC Mum,

(No Model.) v e sheets-sheet e. T.V HARRISON. LOOM FOR WEAVINGIPILB FABRICS.

No. 440,592. 'I PatentedvNov. 11, 1890.

.y gj! z, vials/bl xga L li" I Ww "WITNESSES: NVENTOR'.

uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu c.

UNITED STATES PATENT OEEICE.

THOMAS HARRISON, OF PHLADELPHIA, PENNSYLVANIA, ASSIGNOR TO SOHEPPERS BROTHERS, OF SAME PLACE.

LOOM FOR WEAVING PILE FABRICS.

SPECIFICATION forming part of Letters Patent No. 440,592, dated November 11, 1890.

Application filed July 16, 1887.

T0 @ZZ whom it may concern.-

Be it known that I, THOMAS HARRISON, of Philadelphia, in the State of Pennsylvania, have invented certain new and useful Improvements in Looms for Veaving Pile Fabrics, whereof the following is a specification, reference being had to the accompanying drawings.

My invention is adapted to the production of a looped fabric whose loops may be subsequently cut to form a pile or left intact, as may be preferred, and the improvements belong to that class of looms which form such afabric by the insertion of wires or needles beneath thewarp-threads at proper intervals during the weaving operation.

The object of my improvements is to insert and withdraw the needles automatically with great precision and withoutaffecting to any great extent the rapidit-y of the weaving.

In the accompanying drawings, Figure l .represents a partial top or plan view of a loom to which my improvements have been applied; but in this figure, as well as in the other general views, many of the common well-known parts of the loom are not represented, since their construction, as well as their position, is familiar to all skilled in the art. Fig. 2 is a partial rear view of the loom. Fig. 3 is an end View taken from that side on which the raceway is situated. Fig. Il is an opposite end view showing only the driving-wheels. Fig. 5 is an end View, partly in section, showing` the position of the lathe and shuttlebox at one extreme of their movement, all other parts being omitted. Fig. 6 is a similar View showing the lathe and shuttle at the other extreme position. Fig. 7 is a top or plan view of these parts in the position of Fig. 5. Fig. S is a top or plan view of said parts in the position shown in Fig. G. Figs. il, 10, and 1l are top or plan views on a much enlarged scale of the free end of the oscillatng raceway, showing several. positions of the needles and traveling carriage. Fig. 12

is an edge view of the needle, and Fig. 13 a side view thereof. Fig. il is a side view of a modified form of needle adapted not only to make the loops, but to ent them for producing the pile. Fig. 15 is a top or plan view of the free end of the raceway, showing certain Serial No. 244.457. [No model.)

working parts which are omitted in the other enlarged views thereof. Eig. 16 is a side view of the same. Figs. 17 18, and 19 are sectional views of the same onA the lines m x ,e ,e yy respectively. Fig. 2O is a top view of the traveling carriage. Fig. 2l is a View thereof from the rear of the loom, showing part of the race therefor; Fig. 22, aview thereof from the front of the loom; Fig. 23, an end view thereof; and Fig. 24 is a partial sectional view showing the devices which grasp the needle end for effecting its insertion and withdrawal.

To avoid prolixity of description the names of certain parts of the loom are inscribed upon the drawings to indicate the positions thereof.

Referring now to the general views of Figs. l, 2, and 3, it will be seen that upon the righthand end of the frame W is a horizontal extension P', from the outer end of which the horizontal bracket P2 projects laterally. A vertical leg P3, extends down to the ioor and supports the outer extremity of the extension P.

Upon the bracket P2 is a vertical pivot G', by means of which the raceway Gris attached so as to be capable of a limited swinging movement in a horizontal plane, being supported and sliding upon a piece P4, which projects laterally from the breast-beam P5. The raceway G consists of a metallic strip or bar somewhat long'er than the needle and havinga deep groove g, which extends the entire length along one side. Near the free end of the raceway the groove widens (see Fig. 9) and is divided through a portion of the wide partby a raised piece or switch g3, so as to form two passages, one of which g is the straight continuation of the main groove t, the other g2 being a lateral switch, which leads therefrom to the end of the raoeway, where the two again communicate, as shown, so as to accommodate several needle-heads side by side. A guard-strip g5 extends across the top of the wide opening thus formed.

Extending along the side of the raceway opposite to the groove g are guide-rails G8 G, (see Figs. 17 to 23,) which project both above and below the surface of the raceway and u have beveled edges to fit the guides upon the traveling needle-carriage A. The details of IJO this carriage and its actuating mechanism will bek described farther on, it being sufficient for present purposes to state that the carriage rides upon the raceway from end to end thereof,and is provided with devices traveling in the grooves of the raceway adapted to thrust out a needle and release it and subsequently to grasp and draw in another one. The groove g is the exit-passage and the groove g2 the entrance through which these movements are effected.

The raceway G extendsinward upon a level with the lower part of the reed to some distance beyond the inner end of the shuttleboX, which latter, as will hereinafter be described, is mounted upon a separate frame of its own, and is not directly connected with Vthe lathe, as is usually the case.

The needles F F F2 F3 (see Figs.12 and 13) are thin strips of steel somewhat longer than the width of the fabric to be woven. The front end of the needle is rounded and (eX- cept when the loops are to be out) the edges are blunt. The rear end of the needle is provided with a barbed projection f, somewhat wider than the needle itself and adapted to be grasped by the devices upon the traveling carriage A. These needles are to be inserted one 'at a time into the shed, the insert-ion being made, as indicated in Fig. l, when the reed is in its rearmost position. On the forward movement of the reed'the needle is to be brought up closely against the edge of the already-woven fabric, and as many picks as may be desired between the rows of loops are then woven.

I' prefer to employ, say, four needles, as indicated in the drawings, in order that they may remain in the fabric until it has been lirmly woven for some distance beyond the one which is to be withdrawn. It will thus be seen that the range of oscillation of the raceway must be sufficient for it to present the entering needle where the opening of the shed is sufficiently deep to insure its free passage and (since the rear end of the needle always remains in the raceway) that it shall accompany the reed movement from the point of insertion until the needle has been pressed home against the fell of the fabric. The oscillation of the raceway necessary to meet these requirements is effected in the following manner: A rod G2 is attached to the race-- l'way near its free end and connected with the upper end of the lever K. (See Figs. l and 2.) This lever is mounted upon one end of a horizontal rock-shaft K3, upon whose other end is a lever K2, provided with a frictionroller la. This friction-roller bears against the surface of a cam-piece K, mounted upon a sleeve r, which runs upon the picking-shaft I of the loom. A spring G5, attached to the end of the lever K2 and to the frame P6, normally holds the friction-roller 7c up against the cam-piece K. The sleeve 7' is rotated by means of gears S S', the former of which is mounted upon the driving-shaft N', the lattwo cams-one considerably longer than the other-and at diametrically-opposite points. Therefore a single revolution of the cam-piece will give two forward and two backwardmovements to the lever K2, and consequently to the raceway G, one of said movements beabout half the length of the other.

Assuming now that the proper device for inserting and withdrawing the needles is mounted upon the raceway, the time of the latters movements with relation to the movement-s of such device are as follows: When the shed is wide open and the reed in its rearmost position, the needle is to be inserted. At this vmoment the portion of greatest eccentricity of the cam K is against the roller 7c, and the raceway G is thus thrown to the extreme inward position toward the reed. The needle-inserting device is'then in operation and the parts are in the positions shown in Figs. 1, 2 .and 3. The insertion of the needle having been completed, the revolution of the cam permits the spring G5 to retract the lever' K2, and thus throws the raceway G outward, accompanying the forward motion of the reed. When, however, the proper moment has arrived for the withdrawal of the needle, the

rotation of the sleeve r brings the shorter of the two cams upon the cam-piece K to bear against the roller 712. This produces a slight inward movement of the raceway, sufficient, however, to bring the needle to be withdrawn properly in line with the withdrawing device, and thus avoids too great a lateral strain upon the needle and the fabric, as mightbe the case were the withdrawal effected while the raceway G was at its eXtreme outward position. The needle-withdrawing device then acts, the raceway is again actuated by the cam K so as to throw it into the extreme inward position, and the series of movements is repeated.

The traveling carriage A consists of a fiat back piece provided upon one side with guidepieces a6 (t7 at top and bottom, each of which is grooved correspondingly with the bevel of the guide-rails G8 G9. On the outer side are suitable attachments a8 a9 for the actuatingcordsb, by means of which it is to be moved. The top a5 of the carriage overhangs the raceway G and carries two downwardly-depending legs ct a', the former a of these terminating in a notched carrier-head CL3. This head consists of a short horizontal piece notched perpendicularl-yacross its front end and somewhat narrower than the groove g. The notch of this carrier-head a3 receives the end of the needle. The other leg a carries an arm a2, attached thereto by a vertical pivot, so that said arm can swing in a horizontal plane," and to the other end of said arm a2 is pivoted a barbed hook a4, which consists of a thin horizontal piece having a pointed front end and barbed upon the side which is toward the carrier-head. When the arm 0,2 is in one position, the needle-hook a4 fits snugly up against IOO IIO

the carrier-head a3, as shown in the sectional view of Fig. 24. When in this position, the

treme outer end of the raceway,with the needle lying in the groove gand having its head inserted in the notch of the carrierrhead 0.3, the operation is as followsr The carriage is actuated rapidly toward the loom, and the needle-carrier head a3 pushes the needle along the groove g and out beneath the guard-strip g5, thrusting it into the shed. When the carriage reach es the point where the groove g2 diverges from the main groove g, the point of the barbed hook a4 strikes against the inclined side of the raised dividing-strip g3 and is deflected (the arm a2 swinging laterally to adapt itself to this movement) down the switch-groove g2. The carrier-head a3, however, remains in the groove g and continues to push the needle downward. This position of the parts is shown in Fig. 9, where the insertion of the needle is nearly completed.

Assuming now that the preceding needles have been duly inserted in this manner and that the extreme one F3 is ready to be withdrawn, the action ofthe withdrawing device is as follows: The shorter elevation of the cam K having operated, as before described, the raceway is thrown slightly inward, so as to bring the needle to be withdrawn nearly in line with the prolongation of the switch-groove g2. The barbed hook a4 has traveled down the switch-groove g2 and is protruded beyond the end of the raceway, as shown in Fig. l0. Alight spring g4, mounted near the end of the raceway, presses against the arm a?. This throws the barb of the hook a4 into engagement with the barb f of the needle. The return movement of the carriage then' commences, and the barbed hook a4 withdraws the needle from the fabric and pulls it back along the switch-groove g2 into the groove g. The length ot' the groove g is such that at the time the carriage has completed its return movement the point. of the needle has cleared the end of the projection g3, so as to lie flat within the groove g.

To prevent the needle from diverging down the switch-groove g2 when the movement of insertion takes place, I mount upon the raceway near the switch (see Fig. l5) a horizontally-swinging lever D, having at that end vwhich is close to the entrance of the switch received within a slight recess in the wall of the groove when the parts are in the positions shown iu the solid lines, so as to lie flush with the surface of the groove; but when thrown outward, as indicated by the dotted lines, the piece D will press the needle up against the opposite wall of the groove, and thus prevent any tendency on the part of the needle to run down the switch-groove g2. At its other extremity the lever D is bent at right angle and projects down through the slot D2, which extends partly across the raceway G, and to this downward extension of the lever are attached cords d', leading to actuating mechanism, lwhich will be described hereinafter.

As it is essential that the carriage A should reach exactly the proper point at each end of the raceway, I prefer not to rely upon the main actuating mechanism only, but provide a supplemental device, by means of which if it fails to reach the proper limit it will be pushed home. One of these devicesis placed near each end of the raceway, and as they are similar in construction they will be described by reference to Figs. l5 and 16, which show the one at the end nearest the loom. A slide C, having suitable guide-slots 02, is mounted upon the top of the raceway G. This slide carries a spring-actuated pawl c, which normally bears against the inside of the guiderail G9. An elongated slot c5, however, is formed through this guide -rail G9, so that when the slide C is moved to the position shown in the dotted lines of Fig. l5 the pawl will protrude through the slot and can move forward for a limited distance. A cord c is attached to the front end of the slide and passes around the pulley c3 and thence back along the raceway to the slide C', to the end of which it is suitably attached. The constructionl of this second slide C and its pawl is exactly similar to that of the slide C and its pawl, excepting that they face in opposite directions, the operative movement of each IOO IIO

being toward the end of the raceway to which they are adjacent. A cord o7 is attached to the slide C and thence passes over the pulley C6 and down through the raceway to a pulley G6, whence it leads to suitable actuating devices, hereinafter described. Cords c2 lead from the rear ends of each slide to a spiral spring C4, situated near the middle of the raceway G. Vhen the actuating mechanism pulls upon the cord c7, both of the slides C C will be pulled toward the respective ends of theraceway, and the pawls will be protruded. This movement of separation of the slides produces a tension of the springct, since each of them is moved away from the other, and thus elongating the spring. When therefore the cord cT is relaxed, the two slides will be drawn back toward one another into the non-operative positions. As will presently be explained, the movement of the actuating mechanism of the slides is timed relatively to the movement of the carriage A, so that when the carriage has just passed the point at which the pawl protrudes the slides will operate, and at whichever end of the raceway the carriage may be when pulled the pawl of the proper slide will engage behind it,push it home to the proper point, and hold it there until the actuating mechanism of the cord c7 releases it., whereupon the slides move back, the pawls are drawn in, and the carriage is free to move again.

The limit of motion of the carriage is fixed by stops G3 and G4, mounted upon the frame at each end of the raceway.

The actuating devices of the carriage itself and of the other members whose movements must have a definite relation thereto will now be described. (See Figs. 1, 2, and 3.)

Upon the sleeve r, running on the shaft I, are mounted two mutilated bevel-gears E5 E6, whose toothed portions are adapted to alternately engage with the bevel-pinion E7. Upon the shaft of this pinion is mounted an elliptical gear E4, which engages with a corresponding elliptical gear E3. Upon the end of the shaft of the elliptical gear E3 is a large gear E2, meshing with a pinion E', which is secured to a shaft of a large grooved pulley E. A cord l?, preferably of wire, is passed two or three times around this pulley E. Thenoe it passes to one side around a pulley 62, mounted upon the eXtreme outer end of the extension P', and thence to a suitable attachment, as a, upon the carriage A. Upon the other side of the pulley E a cord b passes to a pulley b', mounted upon the inside of the breast-beam R, whence it returns to a suitable attachment, as as, upon the carriage A. Upon the rotation of the sleeve i' one of the mutilated bevel-gears will engage with the pinion E7, and through the train of elliptic Agears E3 E4, gear E2, and pinion E will rotate the pulley E, while of course the train of elliptic gearing will cause it to move at iirst with a comparatively slow motion, then with a greatly accelerated speed throughout a large portion of the path, and then slow down again toward the end of the movement. A movement of this character is therefore communiy cat-ed to the carriage A, which commences to move slowly, then moves very rapidly throughout a large portion of its travel, and then slows down again. This arrangement tends to prevent injury to the parts from the sudden shock which would be required in starting the carriage with the maximum speed necessary.

To further obviate the danger from a too sudden stoppage of the carriage at the end of its path and to overcome the momentum of the pulley E, I provide the latter with a pair of brakes, arranged as follows: Upon the outside of each of the gears E6 is a cam J, in shape half a crescent. Two rods J sliding horizontally in suitable guides, are each provided with a roller, against which the cam J will bear, and as it advances will of course move the rod longitudinally. The other ends of the rods are provided with rubber pads, which when the rods are actuated by the cams J press against the rim of the pulley E. The return of the rods J is effected by means of coiled springs J 2, which surround them and which are compressed by the forward movement.

Supposing now that the mutilated gear E5 has just acted on the bevel-pinion E7, and its cam J has at the close of its operative movement pushed the brake against the pulley E, the rotation of the sleeve r then continues, the brake is released and springs back to its original position, and the opposite mutilated gear E6 has reached the operative point. Its teeth then engage with the pinion E7 and produce through the train of gearing a reverse movement of the pulley E of varying velocity, like that above described, by means of which the carriage A is brought back to its position at the other end of the raceway. Near the close of this movement the camJ of the gear E6 operates the brake J upon that side and checks the movement of the pulley at the proper time, so that a single rotation of the sleeve Ir produces both a forward and backward movement of the carriage A, and, as has been before described, also produces the oscillating movement of the raceway G, which permits the proper insertion and withdrawal ofthe needle. Just as the carriage reaches the extreme of its path at the outer end of the raceway, it trips a small bell-crank lever i', to which a cord 1f is attached, leading from around the pulley i2, (see Figs. l and 15,) and thence to the downwardly-projecting end of the lever D. Therefore when the carriage in drawing out the needle reaches the end of. its outward travel it operates (by means of this lever t" and cord t') the lever D, whose projection Dis brought to bear up against the end of the needle now in the groove g, so as to throw it close up against the side of the groove, and thus insure its delivery by the groove g', instead of risking a divergence down the switch-groove g2. A cord d leads from the downwardlyprojecting end of the lever D to a coiled spring d2, which is attached to the outer end of the lever K. This spring is extended, of course, by the movement of the cord t' in actuating the lever D, and therefore as soon as the carriage A commences to return and frees the bell-crank lever t" this spring d2throws the lever D back into its normal position, so that the piece D is brought back flushwith the side of the groove.

The movement of the cord c7, which is to actuate the slides C C', is derived from the bell-crank lever M, to one of whose arms the cord c7, after passing over the pulley G7, is attached. A pin m projects laterally from the other arm of the lever M in such a position as to be struck by the piece n, mounted upon the lathe T, when the latter has nearly completed this forward movement. Thus the sequence of movements of the several parts will be as follows: Vhen the reed is in the rearmost position, the shed open, and the lOO IIO`

raceway swung to the extreme innermost position toward the reed, as shown in Fig. l, the mutilated gear commences to operate, the carriage A runs along the raceway toward the loom and inserts the needle, the forward movement of the reed begins, and the raceway swings in the same direction as that in which the reed is traveling. By the time the carriage has almost reached the extremity of its inward movement and when its rear end is just opposite to the inner slot ci the projection n upon thelathe strikes the pin m, and by means of the lever M pulls the cord 0", throwing the slide C forward, so that the pawl c, protrudes through the slot c5, engages with the rear end of the carriage A, and pushes the latter home into contact with the stop G3, the oscillation of the raceway G having brought its end over so as to be close to the said stop. The return movement of the reed then takes place, and the pawl c is retracted by the backward movement of the slide C, so that the carriage is now free to return. The Shorter elevation of the cam K now becomes operative, and by means of the levers K2 K', rock-shaft K3, and rod G'Z throws the raceway G partly inward to bring the needle about to be withdrawn into proper relation with the widening groove. The return movement of the carriage is effected by means of the gear E6. As soon as the rotation of the sleeve 'r brings it into play,it thereupon causes the backward movement of the carriage, withdrawing the needle and receiving; a similar home-thrust from the pawl upon the slide C upon the outer end of the raceway. On completing this outward movement the carriage trips the lever i,which in turn actuates, by means of the cord t, the lever D. After the desired number of picks have been woven, these movements recur; but as it is necessary that there should be an intermission of the shuttle movement during the carriage movement I accomplish this in the following manner: The sleeve r, which runs upon the picking-shaft I, as before de scribed, carries a ring-cam H, adapted to bear against a bfurcated lever H mounted upon the frame PG and having a connectingrod H2, which leads to a lever H4, pivoted at the opposite end of the main frame. This lever H4 is bifurcated Ito embrace a sliding collar 71 mounted upon the picking-shaft I and secured to the inner side of a gear V, which also slides upon said shaft. Said gear V has upon its outer face projecting lugs H3, and upon the extreme outer end of the picking-shaftI is mounted a cross-head l, which has inwardly-projecting lugs I2, adapted to engage with the lugs I-l3 when the latter are thrust outward by the shifting of the gear V upon the shaft I. The gear V is driven by a gear V of sufcient width of face to permit the necessary shifting movement of the gear V upon the .shaft l. The action of the ring cam His of course to shift the lever II', and through the connecting-rod H2 and lever I-Il disen gage the lugs llfrom the lugs I2, so that the rotation of the picking-shaft I is intermittent during a half-rotation of the gear V, which corresponds to the carriage movement.

The shuttle is driven from the picking-shaft I in the ordinary manner, which need not be described.

Upon Sheet i, Figs. 5, (5, 7, and S, are shown those modifications of the lathe and shuttlebox which are rendered necessary by the position of the new parts. Instead of beingattached to the end of the lathe, the shuttlebox is mounted upon a separate oscillating frame U of its own,the shuttle-box L of course terminating in close proximity to the end of the reed and having a pin u', which moves in a guide-slot it, mounted on the end of the lathe.

Upon the end of the shaft N from which the lathe is driven I mount a cam N, which bears against a roller q, attached to a swinging rod Q., mounted upon an upper portion of the main frame. To Ithe lower end of this rod is attached a Y-shaped strap U whose ends are secured to the shuttle-box. A similar strap O is attached upon the opposite side of the shuttlebox frame U and passes over the roller O12 to a strong coiled spring O. Then the lathe moves forward, the shuttlebox is also brought forward by means of the spring O; butthe forward motion is limited by the strap U. This position of the parts is shown in Fig. 6, where it will be seen that the lathe hasmoved forward sufficiently for t-he reed to be almost in contact with the end of the raceway G, while the shuttle-box, which is about upon a level with said raceway, remains in the rear thereof. The configuration of the cam N is such that immediatelybefore the return movement of the latter commences said cam begins to draw back the shnttlebox, so that at the time the lathe overtakes it it is moving with sufficient velocity to avoid any dangerous shock. Vhen, however, it is overtaken, its rearward movement is completed by the lathe movement, the pin u serving to couple it thereto. The strap U is now relaxed, as shown in Fig. 5. As soon as the lathe commences its forward movement, the spring O causes the shuttle-box L to follow the lathe movement until the strap U again checks it.

I provide a spring l, attached at one end to the shuttle-box L and at the other to the hook Z upon the end of the swinging rod Q, in order to keep the roller q always in contact with the cam N.

From the foregoing description it will be seen that by varying the relations of the gears from which the carriage movement is derived any desired variation in the intervals of insertion of the needles can be obtained.

Vhen the loops are to be cut during the weaving operation, I employ the needle F4, (shown in Fio'. 14,) which has an enlarged end f, made very sharp on its upper edge. As the needle is withdrawn, this enlargement f distends the loops and cuts them, so as to form the pile.

IOO

IIO

Having thus described my invention, I claim 1n a loom for Weaving pile fabrics, &c., the

, following devices and combinations thereof:

l. The combination,with the traveling carriage having needle inserting and needlewithdrawing devices,A substantially as described, of the oscillating raceway having a straight longitudinal groove and a lateral switch groove communicating with said straight groove at a point beyond which the end of the needle passes when withdrawn, said grooves also communicating by an open space extending across the front end of the raceWay, a horizontally-swinging lever provided with a downwardly-depending piece which extends down into said main groove at the entrance of the switch-groove, actuating mechanism for said iever, and a stationary guard-strip extending over said open space at the front end of the raceway, substantially as set forth.

2. The combination,\vith the raceway G,having grooves g g', and switch g2, of the traveling carriage, the needle -inserting device adapted to run in the groove g and the continuation g thereof, and the needle-Withdrawing device mounted upon a swinging arm and thereby adapted to travel in the groove g and to be deflected down the switch g2, substantially in the manner and for the purpose set forth.

3. The combination, with the raceway and the traveling carriage, of a slide mounted upon said raceway and a pawl carried by said slide and adapted to engage With the carriage, said slide being provided with actuating mechanism, substantially as described,whereby its pawl is operatedqin proper relation to the carriage movements, for the specified purpose.

4. The combinatiomwith the traveling carriage A,of a cord Z), leading therefrom in both directions,a pulley E, around Which said cord passes, a pinion E', connected With said pulley, a gear E2, meshing with said pinion, an elliptical gear E3, connected with said lastmentioned gear, a second elliptic-al gear E4, engaging with the gear E3, a bevel-pinion connected with the gear E4, a pair of mutilated bevel-gears arranged in correlation, substantially as set forth, to engage alternately with said pinion, and actuating mechanism, as specified, for said mutilated gears.

5. rPhe combination, with the oscillating raceway, the carriage traveling thereon, and the picking-shaft, of actuating mechanism for said shaft, a sliding clutch-coupling connecting said shaft with its actuating mechanism, a sleeve or collar r, mounted on said shaft, an actuating device, substantially as set forth, carried by said collar and connected, respectively, with the raceway and its carriage, the cam H, mounted upon said collar, shifting mechanism intermediate between said cam and said coupling, and actuating mechanism for said collar, whereby the motion of the picking-shaft is intermitted during the period of insertion of the needles.

THOMAS HARRISON. Witnesses:

EDW. E. JOLY, WM. SIMON. 

